maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

add a version of ConstantFP::get that doesn't take a redundant Type* value, 

start migrating code over to use it.

llvm-svn: 49413
This commit is contained in:
Chris Lattner 2008-04-09 00:45:01 +00:00
parent 3cef454e2e
commit b5b3e3136b
2 changed files with 26 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
llvm/include/llvm/Constants.h
View File

@ -232,7 +232,10 @@ protected:
}
public:
/// get() - Static factory methods - Return objects of the specified value
static ConstantFP *get(const Type *Ty, const APFloat& V);
static ConstantFP *get(const APFloat &V);
static ConstantFP *get(const Type *Ty, const APFloat &V) {
return get(V);
}
/// isValueValidForType - return true if Ty is big enough to represent V.
static bool isValueValidForType(const Type *Ty, const APFloat& V);

43
llvm/lib/VMCore/Constants.cpp
View File

@ -108,15 +108,15 @@ Constant *Constant::getNullValue(const Type *Ty) {
case Type::IntegerTyID:
return ConstantInt::get(Ty, 0);
case Type::FloatTyID:
return ConstantFP::get(Ty, APFloat(APInt(32, 0)));
return ConstantFP::get(APFloat(APInt(32, 0)));
case Type::DoubleTyID:
return ConstantFP::get(Ty, APFloat(APInt(64, 0)));
return ConstantFP::get(APFloat(APInt(64, 0)));
case Type::X86_FP80TyID:
return ConstantFP::get(Ty, APFloat(APInt(80, 2, zero)));
return ConstantFP::get(APFloat(APInt(80, 2, zero)));
case Type::FP128TyID:
return ConstantFP::get(Ty, APFloat(APInt(128, 2, zero), true));
return ConstantFP::get(APFloat(APInt(128, 2, zero), true));
case Type::PPC_FP128TyID:
return ConstantFP::get(Ty, APFloat(APInt(128, 2, zero)));
return ConstantFP::get(APFloat(APInt(128, 2, zero)));
case Type::PointerTyID:
return ConstantPointerNull::get(cast<PointerType>(Ty));
case Type::StructTyID:
@ -270,7 +270,7 @@ bool ConstantFP::isNullValue() const {
ConstantFP *ConstantFP::getNegativeZero(const Type *Ty) {
APFloat apf = cast <ConstantFP>(Constant::getNullValue(Ty))->getValueAPF();
apf.changeSign();
return ConstantFP::get(Ty, apf);
return ConstantFP::get(apf);
}
bool ConstantFP::isExactlyValue(const APFloat& V) const {
@ -313,24 +313,25 @@ typedef DenseMap<DenseMapAPFloatKeyInfo::KeyTy, ConstantFP*,
static ManagedStatic<FPMapTy> FPConstants;
ConstantFP *ConstantFP::get(const Type *Ty, const APFloat& V) {
// temporary
if (Ty==Type::FloatTy)
assert(&V.getSemantics()==&APFloat::IEEEsingle);
else if (Ty==Type::DoubleTy)
assert(&V.getSemantics()==&APFloat::IEEEdouble);
else if (Ty==Type::X86_FP80Ty)
assert(&V.getSemantics()==&APFloat::x87DoubleExtended);
else if (Ty==Type::FP128Ty)
assert(&V.getSemantics()==&APFloat::IEEEquad);
else if (Ty==Type::PPC_FP128Ty)
assert(&V.getSemantics()==&APFloat::PPCDoubleDouble);
else
assert(0);
ConstantFP *ConstantFP::get(const APFloat &V) {
DenseMapAPFloatKeyInfo::KeyTy Key(V);
ConstantFP *&Slot = (*FPConstants)[Key];
if (Slot) return Slot;
const Type *Ty;
if (&V.getSemantics() == &APFloat::IEEEsingle)
Ty = Type::FloatTy;
else if (&V.getSemantics() == &APFloat::IEEEdouble)
Ty = Type::DoubleTy;
else if (&V.getSemantics() == &APFloat::x87DoubleExtended)
Ty = Type::X86_FP80Ty;
else if (&V.getSemantics() == &APFloat::IEEEquad)
Ty = Type::FP128Ty;
else {
assert(&V.getSemantics() == &APFloat::PPCDoubleDouble&&"Unknown FP format");
Ty = Type::PPC_FP128Ty;
}
return Slot = new ConstantFP(Ty, V);
}